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[EnergyPlus_Support] Illuminance at reference point

Dear all,

   I'm doing a winter design day simulation where are considered two cases with
same lights design level (power): one with daylighting control and other
without daylighting control. For both, the heating power required is exactly
the same. Two questions:

- Since the daylight detailed analysis basically measures the Sun light
transmitted by windows, there is no way to measure the illuminance from lights?

- For winter design day, since ASHRAE consider that sky clearness is zero
(completely cloudy), it is no reason to use the daylight analysis?

   Thank you!

 Engº Fábyo Luiz Pereira
 UFRGS - Laboratório de Vapor e Refrigeração
 Rua Sarmento Leite, 425 - Sala 203 - Centro - 90050-170
 Fone / Fax: +55 51 3316-3167 / 3316-3355
 Porto Alegre - RS - BRASIL

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